Features: Professional pose Corrector strap for effective spinal alignment & back relief perfect for computer users and students. Breathable sandwich meshed combined with soft padding ensures comfortable during extended wear while maintaining discreeted visibility under clothing. For office professionals, gamers, and students seeking ergonomic support during 8hour of desk work or study. Wear effortlessly under T shirts or blouses during work commutes, online classes, or home workouts to actively combat slouching. Four adjustable hook and looped size deliver personalizing compression to shoulders and redistribute upper body weight effectively. Specifications: Material: Used with buckle cloth, soft padding and comfortable and breathable Craft: Fine sewing and fastening design easy to wear and stable. Attributes: black and gray optional, invisible type for both men and women. Size: Available in four size: Small, Mediumed, Large, and Extra Large to meet different body type( as size chart) Package Includes: 1PC Open shoulder pose belt note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution